//
//  ViewController.m
//  delegate
//
//  Created by 李广帅 on 2018/3/19.
//  Copyright © 2018年 天蓬大元. All rights reserved.
//

#import "ViewController.h"
#import "GuaGuaAndFly.h"
@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    GuaGuaAndFly *object = [[GuaGuaAndFly alloc]init];
    
    [object performQuack];
    [object performFly];
    
}



@end
